You are hetting there.
Keep it simple, don't have such a long grip, you have about 10" in the centre of the bow doing absolutely no work.
Hold a Cd or dinner plat up in front of you and line it up with the limbs.
Some will say a circular tiller isn't the best, but it's a reasonable start, and you can use it to judge each limb individually.
You bow is looking more square than circular at draw.
Del